.set_buttons button{
    background-image: linear-gradient(to right,#6980F5, #BC67F1);
    border: none;
    padding: 2px 15px;
    transition: all .3s;
    cursor: pointer;
    margin-left: 6px;
    margin-top: 3px;
    color: white;
}
.set_buttons button:hover{
    color: rgb(230, 230, 230);
}